Merge branch 'sg/travis-gcc-4.8'
authorJunio C Hamano <gitster@pobox.com>
Mon, 29 Jul 2019 19:39:13 +0000 (12:39 -0700)
committerJunio C Hamano <gitster@pobox.com>
Mon, 29 Jul 2019 19:39:13 +0000 (12:39 -0700)
Add a job to build with a tad older GCC to make sure we are still
buildable.

* sg/travis-gcc-4.8:
travis-ci: build with GCC 4.8 as well

Trivial merge